PREFACE
LIST OF PLATES
CHAPTER I
CHAPTER II
CHAPTER III
CHAPTER IV
(1) The Method of Total-Reflection
(2) The Method of Minimum Deviation
CHAPTER V
CHAPTER VI
CHAPTER VII
Colour
Dichroism
Absorption Spectra
CHAPTER VIII
(1) Heavy Liquids
(2) Direct Weighing
(a) Hydrostatic Weighing
(b) Pycnometer, or Specific Gravity Bottle
CHAPTER IX
CHAPTER X
CHAPTER XI
CHAPTER XII
CHAPTER XIII
CHAPTER XIV
CHAPTER XV
CHAPTER XVI
CHAPTER XVII
CHAPTER XVIII
(1) Koh-i-nor
(2) Pitt or Regent
(3) Orloff
(4) Great Mogul
(5) Sancy
(6) Great Table
(7) Moon of the Mountains
(8) Nizam
(9) Darya-i-nor
(10) Shah
(11) Akbar Shah, or Jehan Ghir Shah
(12) Polar Star
(13) Nassak
(14) Napoleon
(15) Cumberland
(16) Pigott
(17) Eugénie
(18) White Saxon
(19) Pacha of Egypt
(20) Star of Este
(21) Tuscany, or Austrian Yellow
(22) Star of the South
(23) English Dresden
(24) Star of South Africa
(25) Stewart
(26) Porter-Rhodes
(27) Imperial, Victoria, or Great White
(28) De Beers
(29) Excelsior
(30) Jubilee
(31) Star of Africa, or Cullinan
(32) Star of Minas
(1) Hope
(2) Dresden
(3) Paul I
(4) Tiffany
CHAPTER XIX
CHAPTER XX
CHAPTER XXI
CHAPTER XXII
CHAPTER XXIII
(a) Hessonite
(b) Pyrope
(c) Rhodolite
(d) Almandine
(e) Spessartite
(f) Andradite
(g) Uvarovite
CHAPTER XXIV
CHAPTER XXV
CHAPTER XXVI
CHAPTER XXVII
CHAPTER XXVIII
CHAPTER XXIX
CHAPTER XXX
CHAPTER XXXI
CHAPTER XXXII
CHAPTER XXXIII
CHAPTER XXXIV
Spodumene
Iolite
Benitoite
CHAPTER XXXV
Euclase
Phenakite
Beryllonite
CHAPTER XXXVI
Enstatite
Diopside
Kyanite
Andalusite
Idocrase
Epidote
Sphene
Axinite
Prehnite
Apatite
Dioptase
CHAPTER XXXVII
Cassiterite
Anatase
Pyrites, Hematite
CHAPTER XXXVIII
CHAPTER XXXIX
CHAPTER XL
Pearl
Coral
Amber
TABLE I
TABLE II
TABLE III
TABLE IV
TABLE V
TABLE VI
TABLE VII
TABLE VIII
TABLE IX .— Data
INDEX